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Your search for "radar" gave back 31 results.
A NASA engineer removing the DPR from its shipping container
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Engineers from the Japan Aerospace Exploration Agency (JAXA) and NASA Goddard Space Flight Center in Greenbelt, Md. oversee the arrival and unpacking of the dual-frequency Precipitation Radar.
Diagram which illustrates active and passive remote sensing
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This diagram illustrates the differences between active and passive remote sensing.  TRMM and GPM rely on active and passive instruments to measure the properties of precipitation from space.
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You will learn how we measure precipitation from the ground and from space using satellites, and why we need to do ground validation of the satellite data. You will also learn about the OLYMPEX Field Campaign.
Ground Validation and OLYMPEX Webquest – Elementary Version
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You will learn how we measure rain and snow from the ground and from space using satellites, and why we need to check the data using ground validation. This particularly relates to the OLYMPEX Field Campaign.
GPM satellite and constellation
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Part 3 of a 4 part webquest that teaches the basics of precipitation science and technology. Prepares students for the GPM Anime Contest.
GPM Mission Brochure cover
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This 17 page flyer provides an overview of the GPM Mission. It describes the technologies used to measure precipitation and the missions scientific goals and societal applications.
Dive Into a 360-View of Hurricane Maria
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For the first time in 360 degrees, this data visualization takes you inside a hurricane. The precipitation satellite has an advanced radar that measures both liquid and frozen water. Click and drag to look around.
Real World: JASON-2 thumbnail
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Learn how the satellite, Jason 2, is able to use radar waves to determine the height of sea levels and evaluate the effects of global warming.
Thumbnail for Melting Ice, Rising Seas, showing ice and title text
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Using satellites, lasers, and radar in space, and dedicated researchers on the ground, NASA is studying the Earth's ice and water to better understand how sea level rise might affect us all.
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'Towers in the Tempest' is a 4.5 minute narrated animation that explains recent scientific insights into how hurricanes intensify. This intensification can be caused by a phenomenon called a 'hot tower'.

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